Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnDetails
2483617
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
193722127927.5old
P-1 factors
DateFactorsB1B2
2021-11-13No new factors discovered24836172483617
ECM
DigitsB1Curves
2550000129 / 280
Estimated T-Level: 22.3
TF below 2^69 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-14Oliver Kruse01D73D196190B936154960853
Verified
PRP without proof (not generated)
2017-11-29storm551001D73D196190B9361233895253
History
DateUserTypeResult
2023-03-20Denial140NF-PM1B1=1000000, B2=6493617900
2022-08-27USAFSSNF-PM1B1=720000, B2=712857600
2021-11-13onlinegameF-PM1Factor: 193722127 / B1=2483617
2017-11-29storm5510C-PRPM2483617/193722127 : 01D73D196190B936
2017-10-14Oliver KruseC-PRPM2483617/193722127 : 01D73D196190B936